nouveau: fix undefined behaviour when testing sample_count

[mesa.git] / src / gallium / drivers / nvc0 / nvc0_screen.c

diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c
index d116be9dc463f303ca6cf4457689100f8a5268b6..46bb797e53f61f30d2b7d72e9861f6b3ba26f2ff 100644 (file)
--- a/src/gallium/drivers/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nvc0/nvc0_screen.c
@@ -39,6 +39,8 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
                                 unsigned sample_count,
                                 unsigned bindings)
 {
+   if (sample_count > 8)
+      return FALSE;
    if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
       return FALSE;
 
@@ -63,6 +65,18 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
    return (nvc0_format_table[format].usage & bindings) == bindings;
 }
 
+static boolean
+nvc0_screen_video_supported(struct pipe_screen *screen,
+                            enum pipe_format format,
+                            enum pipe_video_profile profile)
+{
+   if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
+      return format == PIPE_FORMAT_NV12;
+
+   return vl_video_buffer_is_format_supported(screen, format, profile);
+}
+
+
 static int
 nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 {
@@ -94,7 +108,6 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
    case PIPE_CAP_TWO_SIDED_STENCIL:
    case PIPE_CAP_DEPTH_CLIP_DISABLE:
-   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
    case PIPE_CAP_POINT_SPRITE:
       return 1;
    case PIPE_CAP_SM3:
@@ -447,7 +460,8 @@ nvc0_screen_create(struct nouveau_device *dev)
 
    nvc0_screen_init_resource_functions(pscreen);
 
-   nouveau_screen_init_vdec(&screen->base);
+   screen->base.base.get_video_param = nvc0_screen_get_video_param;
+   screen->base.base.is_video_format_supported = nvc0_screen_video_supported;
 
    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, NULL,
                         &screen->fence.bo);